Spinning spindle



KAI-52,180)

H. E. BRUNNER SPINNING SPINDLE.

Filed NOV. 14, 1919 J/VVNTOR:

/rro/a/TB/'u/m er BYATTORNE YS',

Patented Apr. 17, 123.

want rant prata.

HAROLD E.

silk spindles, the object of the invention being to permit theintroduction of ball bearings between the driving pulley or whorl vwhichis fast with and rotates the blade, and the Supporting arbor orstationary base in such manner that these bearings shall functionproperly and be safeguarded against .0' injuries resulting from therough handling' which is incidental to the use of such spindles.

In order to appreciate some of the problems confronting the change fromplain f bearings to ball bearings, the working con- 'i ditions of thespindles must be kept well in mind. The factor'of prime importance beingthe restricted space allotted to each spindle and the small pulley orwhorl diameter -v prescribed by custom. Among the advantages to bederived from ball bearing mountings for spinning spindles is thegrea-tly increased permitted speed of rotation. As most of the textilemills have cheap power, the conservation resulting from this change ofthe form of bearings is not such an important factor as is the increaseof output 'f from a given number of spindles and in en- I* abling allthe spinning frames in the mill to be run at the same and maximum speed.

The drawing accompanying this specification shows in elevation andpartly central section a practica-ble embodiment of a form of myinvention. To enab-le ball bearings to properly function and todemonstrate their power of endurance when the supported parts arerotated at relatively high speeds it is desirable 2 that the race ringsbe so mounted in respect 'f of the stationary support and the rotarypart that the outer rinof shall remain substantially stationary and theinner ring be fast with the rotary part. In the present illustration thebobbin carrying blade 1 and .fr the whorl or 4pulley 2 make up therotary form is particularly well adapted for use in BRUNNER, OFLARCHMONT, NEW YORK, ASSIGNOR. TO THE' HESS-BRIGHT MANUFCTURING COMPANY,A. CORPORATION OF DELAWARE.

SPINNING SPINDLE.

Application filed November 14, 1919. Serial No. 337,973.

part, and the base 3 and arbor 4 constitute a standard for Supportingthe rotary part and make up the stationary part. That is the standard isnormally stationary, for when the spindle is in use the'base is ofcourse clamped to the frame in a well known manner. The bond betweentheblade and whorl 1s shown as a head rigid with the blade and having apipe thread connection with an enlarged flange 6 at the upper end of thewhorl. The belt engaging face of the whorl is the narrow waist portionto which the refs erence character 2 is connected by a leader line. Thelower end of the whorl is shown formed with a belt-positioning flange 7,and a shoulder 8 located above a reduced portion forming a seat for aball bearing inner ring In the illustrated spindle there are two ballbearings shown of the deep groove, combined radial and thrust type, theinner and outer rings' of the lower bearing being respectivelydesignated by the reference characters 9 and 10 and those of the up-perby 11 and 12. The inner rings of this pair of bearings are fast with therotary part, and according to the prevailing ball bearing practice eachis assumed to have a `drive fit on its seat. The inner ring 9 of thelower bearing is at the lower end of the whorl and abuts the shoulder 8,and the inner ring 11 of the upper bearing is at the upper end of thewhorl and mounted on a hub 13 depending from the blade head 5. This hubis substantially in axial alignment with the blade 1 and arbor 4 and islocated within the chamber formed by the whorl flange 6. A nut lit-isshown for steadying 4and holding the bearing ring 11 in position.

The arbor 4 has an extension 1'5 -of reduced diameter fitting into thebore of the base 3, in which it is held by a wing nut 16 engaging thelower end of the` base 3, and drawing the shoulder formed at the upperend of the portion against the upper'face of the body portion of thebase, at 17. The standard is shown provided with two upwardly directedfianges, one of these, 18, being formed at the upper end of the ba 3 andthe other 19, at the upper end of the arbor 4, and disposed within thechamber of the whorl fiange 6. These flanges 18 and 19, are, it will beseen, parts of the. stationary portion of the spindle, and within whichare respectively mounted the outer race rings, 10 and 12, of thebearings, such rings having a sucking fit to permit creeping accordingto the present approved practice of mounting'bearings. The ring 10engages a shoulder at its bottom to limit its downward movement. Thelower bearing supports the a-xial load, the upper bearing being free tofloat incident to expansion; and contractio of the parts.

The structure above described makes it possible to employ ball bearingsin which there is preferably a distinct inner and outei` ring which aremounted on other parts of the structure, and in which the pitch circleof the ball bearing, that is, a circle touching the centers of all theballs, is of larger diameter than is the diameter of the belt engagingportion of the whorl.

The lubrication of high speed mechanism becomes a formidable problem,when, as in the spinning of textiles, parts requiring lubrication arelocated immediately adjacent parts designed to carry easily soiledfabric. My present improvement not only causes' the ball bearings toproperly function but also solves the problem of lubrication in aneficient manner.

The oil reservoir 20 is shown formed in U the nut '16. Some suitabledevice for -raising the 011 to the upper bearing is employed, a

convenient. The lower faces of the blade'v capillary system, as forinstance the well known form of wick 21 having been found hub 13 and thenut. 14 run preferably, quite close to the face of the upper end of thearbor ladjacent the point of emergence of the wick, a depression 22being formed in the hub, to accommodate` the protruding wick end; Theoil as it exudes from the wick is wiped off by the hub and thrownoutwardly into the chamber 23 by centrif ugal force. .It then risesthrough the space between the bearing rings 11 and 12, passes over theedge of the flange 19 and descends in the space between the whorl andarbor to the |chamber 24, rises through the lspace between the bearingrings 9 and, 10 and de-` scends through the channels 25, 26 and 27 'tothe oil reservoir 20. The chamber` within the base flange 18 is providedwith a closure 28, extending inwardly and well under the belt postioningflange 7. The escape of oil at this point is practically negligible, andthis highest possible point of oil escape is a long way from the silkcarrying'blade 1.

The upper ball bearing is completely housed p I in a c amber closed, inall directions except downwardly, and in the excepted direction theclosure is also complete but for the well guarded oil passages.

The space between the flanges 6 and '19 and their oonnecting webs 6' and19' is preferably quite narrow. The nearness of the faces of these partsunder normal running conditions serves to safeguard the bearings fromthe shocks incident to the Violent manthe blade and whorl sidewise andcauses the flanges 6 and 19 and webs 6' and 19' to come into engagementat the side receiving the blow, thereby taking the strain of the shockofi' the upper bearing.

It is to beunderstood that the spindle, shown in the drawing isillustrative of my invention and that changes may be made as occasio-nde-mands within the scope of the claims, Witho-ut departing from thespirit of my invention. I claim as my invention:

1.v In a spinning spindle, the combination with a rotary blade, of anorma-lly stationary base, a norlnally stationary standard carried bythe base and in axial alignment with the blade, a. whorl surrounding thestandard and fast with the blade, the whorl having a belt receivingportion, and .a pair of ball bearings comprising inner and outer rings,the inner rings whe-reof being mounted 'on the whorl above and below thebelt receiving plortion and the outer rin being carried by t estationary portions o the device, the said belt receiving portion of thewhorl being of less diameter than the diameter of the pitch circle ofthe ball bearings.

2. In a spinning spindle, the combination with a rotary blade, o-f anarbor having at its upper end a flange, a whorl surrounding the arborand having at its upper end a flange surrounding the arbor flange andfast with the blade, there being a hub fast with the blade and who-rland depending into the arbor flange, a ball bearing vcomprising innerand outer rings the inner ring 'beinemounted on the said hub and theouter ring being mounted within the arbor fiange, and a ball bearingdisposed 'between the arbor and the whorl4 at the lower portion of thelatter.

3. In a spinning spindle, the combination with a rotary blade, of a baseand arbor car- `ried thereby constituting a normally statiofiarystandard, said standard having upwardly directed flanges adjacent theupper .and lower ends of the arbor, a whorl surpried' by the hub andfast with the blade. and whorl aaealeo and having its iiiner ring fastwith the depending end of the'whorl.

4. In a spinning .spindle, the combination with a-rotary blade, ofanarbor in alignment with the blade and having at its upper end a weband an'upwardly directed flange, a whorl surrounding the arbor andhaving at its up r end a 'web in close proximity to the arliifr web andan upwardly directed' flange closely surrounding the arbor and fast withthe blade, .therebeing a hub and vdependflange and terminating u per endof the arbor, t e inner r'ace being carthe outer race being locatedwithin the arbor flange.

5. In a spinning spindle, the combination ing into the arbor thereinabove the/ and a ball bearing,

- with a rotary blade, of. a'b'a'se, an arbor carried therebyconstituting a normally stationary standard, said standardhavingIadjacent the upper and lower ends of the arbor 'a web and an upwardlydirected flange, a whorl surroundi'ng the said arbor, and having at itsupper end a web imity to the arbor web, directed flange 'closelysurrounding the upper flange of the standard and fast with the blade,there being hubs fast with the blade and whorl depending into and endingwithin the-respective housings afforded by the arbor flanges, ballbearing inner races carried .by the said hubs, ball bearing outer raceslocated within the arbor flanges, and balls between the said races.

6. In a spinning spindle, the combination with a rotary' blade, of abase and arbor carried thereby constituting a` normally stationarystandard, said standard having upwardly direoted flanges adjacent theup- `-per and lower ends of the arbor,-a whorl vard lower end dependinginto the lower stand- `fast with the surrounding't-he said arbor andhaving at its upper end a flange Surrounding the standflange and fastwith the blade, its

ard flange, there being a hub,

'blade and whorl and depending into the 4 npper standard flange, a ballbearing having its outer ring mounted within the upper standard flangeand its'inner ring fast with said hub, and a ball bearing having itsouter ring mounted within the lower standard fl nge and having its innerring fast with tl/i e depending end' of the whorl, whereby the innerrings of the ball bearings rot-ate with the rotary1parts of the devi'ceand the outer rings of such bearings 'remain 'substantially stationarywith the stationary parts.

7. In a spinning spindle, the combination with a rotary blade, of abase, an arbor carried thereby constltuting a normally stationarystandard, said standard having ad- I I with in close prox? and anupwardly carried thereby, the

imity to the arbor web, and an upwardlydirected flan closely surroundingthe `upper flange of the standard, and fast with the' blade, there beinghubs fast with the blade and whorl depending into the arbor flanges,ball bearing inner races carried by the said hubs, ball bearing outerraces located within the arbor flanges, balls between" the said races,an oil reservoir at the bottom of the standard, the arbor beingprolvided with a wick channel, and a wick located therein, the lowerportion of the blade being formed as a flinger running adjacentthe'upperl portion of the wick channel.

- v8. In a'spinning spindle, the combination a normally upright arborfhaving a main shaft or body portion surmounted by a radially disposedweb and an upwardly directed flange carried by; the web, of a whorlsurrounding the body portion of the arbor and having a radially disposedweb closely underlying the web of the arbor and an upwardly directedflange carried by the web and closely surrounding the flange of the'arbor, a blade connected to the whorl flange and disposed in alignmentwith the arbor, vthe lower end of the blade extending into the hous'ingformed by the arbor flange and .terminating therein above the upper endof the arbor, and an anti-friction bearing mounted between the bladeextension and the arbor flange.

9. In a'spinning spindle, the combination with a normally upright arborhaving a main shaft or body provided at its upper portion with aradiallydisposed web, and an upwardly directed fl nge carried by such web, of awhorl surrounding the 'body portion vof the arbor and having at itsupper -portion a radially disposed web closely unposed web and anupwardly directed flange whorl extending into the h flange and thereterminating, and ball bearings mounted between the respective arboranges and the said blade and whorl extensionav 'In testimony signaturehereto.

lHanoi-no E. BRUNNER.

whereofhI have aiiixed my` ousing formed by the lower arbor

